Memoirs of the Nuttall Ornithological Club - Nuttall Ornithological Club. (The Club, 1905)

Memoirs of the Nuttall Ornithological Club - Nuttall Ornithological Club. (The Club, 1906)

Memoirs of the Nuttall Ornithological Club - Nuttall Ornithological Club. (The Club, 1920)

Memoirs read before the Boston Society of Natural History - Boston Society of Natural History. ([Boston Society of Natural History], 1869)

Memorias de la Sociedad Científica "Antonio Alzate." - Sociedad Científica "Antonio Alzate." (Imprenta del Gobierno en el Ex-Arzobispado, 1887)

Memorias y revista de la Sociedad Científica "Antonio Alzate." - Sociedad Científica "Antonio Alzate." (Imprenta del Gobierno en el Ex-Arzobispado, 1893)

Memorie - Museo civico di storia naturale di Milano. (U. Hoepli, 1898)

Methodi naturalis avium disponendarum tentamen. Försök till fogelklassens naturenliga uppställnung - Sundevall, Carl J., 1801 -1875 (Samson & Wallin, 1872)

Mexico, April 21, 1898 - May 1, 1899 - Goldman, Edward Alphonso, 1873 -1946 (1898)

Mexico, August 31, 1897 - April 20, 1898 - Goldman, Edward Alphonso, 1873 -1946 (1897)

Mexico, December 13, 1902 - July 5, 1903 - Goldman, Edward Alphonso, 1873 -1946 (1902)

Mexico, October 1, 1892 - April 4, 1893 - Goldman, Edward Alphonso, 1873 -1946 (1892)

Michigan bird life, a list of all the bird species known to occur in the state together with an outline of their classification and an account of the life history of each species, wtih special reference to its relation to agriculture - Barrows, Walter Bradford, 1855 -1923 (Michigan Agricultural College, 1912)

The Migrant - Tennessee Ornithological Society. (Tennessee Ornithological Society, 1935)

The Migrant - Tennessee Ornithological Society. (Tennessee Ornithological Society, 1938)

The migrations of birds - Wetmore, Alexander, 1886 -1978 (Harvard University Press, 1926)

Minutes of proceedings of the Royal Artillery Institution - Great Britain. Army. Royal Artillery Institution (The Institution, 1862)

Minutes of proceedings of the Royal Artillery Institution - Great Britain. Army. Royal Artillery Institution (The Institution, 1864)

Miscellanes zoologica - Coues, Elliott, 1842 -1899 (1857)

Missouri Botanical Garden bulletin - Missouri Botanical Garden. (Missouri Botanical Garden], 1948)

Mittheilungen des Ornithologischen Vereines in Wien - Ornithologischer Verein in Wien. (Der Verein, 1888)

A monograph of the genus Chordeiles Swainson : type of a new family of goatsuckers - Oberholser, Harry C. (Harry Church), 1870 -1963 (G.P.O, 1914)

A monograph of the genus Chordeiles Swainson, type of a new family of goatsuckers - Smithsonian Institution (Govt. print. off, 1914)